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Attorney: Spruegel; Walter


Number of patents: 31
Last date: May 26, 1987

NumberTitleIssue Date
4667970Long-stroke high-force chuck
Chuck provides for each jaw an action bar extending substantially longitudinally of the chuck axis and rockable in an action plane radiating from the chuck axis and intersecting the jaw, and a pair of first and second slides for each action bar, with said...
05/26/1987
4623259Tide timer
Tide timer providing a live imitation of the rising and falling water level during each tide, and affording an indication of the time to, and of the time of day or night of, the next high or low tide from observation of the water level on the timer alone,...
11/18/1986
4583279Method of mounting automotive seat covers
Anchor track for attachment thereto of a seat cover through intermediation of C-rings, with the anchor track having serrations for locking C-rings thereto, and being secured to bottoms of front and side channels of automotive front seat frame....
04/22/1986
4501024Bathing trunks
Bathing trunks having substantially triangular front and rear panels joined at the corners, with said front panel being solid throughout, and said rear panel having two cut-outs leaving between them a band-like panel part of a width to cover the cleavage ...
02/26/1985
4459887Rotary shear of variable cut lengths
The drum drive in a rotary shear includes a pair of driving and driven surge gears and a coupling of which the driving and driven companion members are drivingly connected with the driven surge gear and with one of the drums. The shear is adjustable for v...
07/17/1984
4455919Last shot bolt hold-open device
Action disabling device in a firearm having among its conventional components a spring-closed breech bolt, a tubular magazine, and a pivoted cartridge lifter. The disabling device is in the form of an operating arm pivoted with one end to a fixed part of ...
06/26/1984
4442562Method of forming anchor bolts
The outer prongs and inner expander of an anchor bolt are formed from a cylindrical metal blank with an axis, by lengthwise cutting the blank in planes which subtend different parts of the blank periphery and are inclined inwardly toward one end of the bl...
04/17/1984
4424977Wedge chuck
Wedge chuck having grooves in the sides of each jaw and in the adjacent sides of its way in the chuck body, of which the grooves in all jaws form a given angle with a common plane normal to the chuck axis in which all jaws move, and the grooves in each wa...
01/10/1984
4359810Method of forming cartridge chambers in firearm barrels
Method of forming a cartridge chamber in the bore of a firearm barrel, which comprises driving into the bore of the barrel from the butt end thereof a mandrel of the surface configuration of the peripheral wall and mouth of the cartridge chamber, whereby ...
11/23/1982
4353362Knee braces
Knee brace of unfolding type has a wrap-on pad with quick-fasteners on opposite sides for initial pad application to a knee, and tapes for finish application of the pad to the knee, with the pad also having stays to lend it rigidity over part of its knee-...
10/12/1982
4344559Signal devices for rural mailboxes
Mailbox has a hinged front gate with a casing receiving a flag with lateral play for movement into raised and lowered positions to indicate "no mail" and "mail delivery", respectively. Provided on the flag and box are two ferromagnetic strips, respectivel...
08/17/1982
4333604Economic energy control
Controls for lights in a room with a swinging door for entry into and exit from the room, providing a main circuit for the lights, including a main switch normally closed to close the circuit, a time delay relay adapted, when energized, to hold the main s...
06/08/1982
4309991Wrist brace
A wrist brace having a wrist holder and an attached fastener strap, of which the holder is in the form of a flat sleeve for slip-on application to a wrist, with the sleeve having a thumb aperture and a length which is split to form a wrist-covering cuff....
01/12/1982
4296564Semi-automatic reloading firearm
Semi-automatic reloading firearm is provided with a signal button which is normally urged into prominent projection from an aperture in the receiver to thereby foretell firing response of the firearm to the next pull on the trigger, and this signal button...
10/27/1981
4249459Fluid coupling for a rotary chuck
Journalled in a peripheral groove in an operationally turning chuck body is a non-turning fluid coupling ring of which opposite side faces confront opposite side walls of the groove. Leading from annular ports in the groove walls are fluid passages which ...
02/10/1981
4239447Armored money-delivering vehicle
An armored satellite truck is normally carried by an armored main truck and lowered onto the ground outside a bank establishment for delivering money and/or other valuables from the main truck to the interior of the establishment by an armed driver in the...
12/16/1980
4221160Fluid operating mechanism for a rotary chuck
Fluid operating mechanism providing stationary and rotary companion parts of a fluid coupling having in the rotary part a cylinder with a piston defining therein opposite chuck closing and opening cylinder ends, and ports in both coupling parts which, tog...
09/09/1980
4183100Specialty glove
Glove is open on one end and is provided in its other end and in one side with first and second apertures through which to project the fingers and the thumb, respectively, of a hand in slipping the glove onto the hand, with the glove also having a frictio...
01/15/1980
4141358Ankle tape pack
An ankle tape pack having a strap part for form-fitting wrap on the ankle and adjoining part of a foot, and tape parts attached to the strap part for winding on the foot over the applied strap part, with the strap part being formed of two plies of which a...
02/27/1979
4131247Apparatus for reducing fragmentary stock
A cylindrical working chamber in stock reducing apparatus features opposite ends which are open to the atmosphere so that a fan in the chamber outlet draws atmospheric air into the chamber through the open ends thereof, thence through stock in a turning a...
12/26/1978
4130370Light-reflective road marker of self-cleaning type
Road marker in a road bed having at the road level a resilient diaphragm carrying a light-reflective lens yieldingly projecting above the road level and operationally depressible below the road level by an automotive wheel passing over the lens, with the ...
12/19/1978
4125436Slips for specimen growth and microscopic examination
A flat transparent slip is formed with an integral handle part, including a prong that rises from the slip and has with the latter outside the confines of a growth area thereon a joint with a constriction for ready snap-off of the handle part from the sli...
11/14/1978
4065200Mounting rack for circuit panels
A cage with opposite endwalls and opposite tracks on the latter for circuit panels, of which each track is formed of a pair of resilient leaves arranged side-by-side and bowed toward each other to leave them with adjacent apices intermediate their lengths...
12/27/1977
4061006Method of straightening firearm barrels
To straighten firearm barrels with bores running out to muzzle ends, a barrel is bent at a transverse barrel plane at a distance of less than half the barrel length from the muzzle end to an extent and in a direction to bring the bore center axis at this ...
12/06/1977
4054958Toilet of compost type
Compost toilet having in the waste receptacle thereof a gate in the form of two hinged companion wings swingable into closed and open positions in and out of the path, respectively, of urine passed into the receptacle by a user of the toilet in standing p...
10/25/1977
4038149Laboratory trays with lockable covers
A laboratory tray with cup formations is on opposite sides of its upright circumferential wall provided with outwardly projecting pad formations with outer faces, with these pad formations registering with notches in a depending circumferential skirt on a...
07/26/1977
4014124Safety marker for firearm
A safety marker is attachable to a trigger guard on a firearm in apparent interference with accustomed manipulation of the trigger, with the marker resembling a shield which presents an abnormal and startling sight on the firearm, and by its apparent inte...
03/29/1977
4009888Self-contained power chuck with centrifugally balanced jaws
A chuck having radially movable jaws and axially extending jaw-operating levers pivotally mounted intermediate their ends to form shorter and longer arms, of which the shorter arms are operatively connected with the jaws, and the longer arms provide count...
03/01/1977
4005965Record producing apparatus
In record producing apparatus a biscuit mold is formed in upper and lower complemental cup parts with fragmental rims which, on lowering the upper cup part onto the lower cup part for closing the mold cavity to form a biscuit therein, complement each othe...
02/01/1977
4004831Conduit connectors
In a conduit connector, the tubular body has on one end spaced sections of an outer flange, and the applied cap has a peripheral wall over the one body end and an inner endshoulder opposite the flange sections on the body, while the locking gland is with ...
01/25/1977
3962213Method of drying coated webs
Method of drying on a web face an applied coating containing volatile products, involving feeding the web at a rate of at least 50 feet per minute past a station at which a flame sheet from a high-capacity burner is with its tip in contact with the coated...
06/08/1976
 
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