Quotables
"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5696355 | Letter weighing device with slidable fulcrum A letter weighing device has a slidable fulcrum to indicate the exact weight of a letter or the like being weighed. The letter weighing device has an elongate member having upper and lower elongate surfaces, the upper elongate surface supporting two space... | 12/09/1997 |
| 4564852 | Pens for low torque chart recorders A disposable marker apparatus for use with low torque recorders includes a bifurcated body with two separate ink reservoirs in the first and second body segments interconnected by a connector segment. The connector segment includes an ink transmitting mem... | 01/14/1986 |
| 4522277 | Rocking scale A rocking scale or weighing device can be constructed so as to include a body equipped with two separate, spaced, identical bowed supports or rockers which extend generally between the ends of the body. A holder capable of holding an envelope or the like ... | 06/11/1985 |
| 4401177 | Sliding weight scale A sliding weight scale includes a recirculating ball spindle mounted in a balance beam arranged to pivot about a swivel axis. The spindle extends perpendicularly of the swivel axis. A sliding weight is engaged via a nut with the spindle. A gear wheel is f... | 08/30/1983 |
| 4368791 | Postage estimator device A device for estimating postage requirements for envelopes and the like, and comprising a holder for supporting the envelope during the estimating process, a balancing lever pivotally secured to the holder and having a fulcrum about which the device may r... | 01/18/1983 |
| 4360072 | Attachment for adding weights to scale beam An attachment to the beam of a weight scale has a vertical post to retain weight unit discs, each with a hole in the center, and clamping means in combination with a counterweight clamped to the second beam of the scale at the opposite end.... | 11/23/1982 |
| 4165791 | Automatic weight switching mechanism for substitution type analytical balances A weight switching mechanism for a substitution type analytical balance is provided which permits the automatic selection and lifting of the required substitution weights from the gimbal assembly of a balance beam to allow accurate weighing of an unknown ... | 08/28/1979 |
| 4095658 | Fluid measurement device A fluid collection, dispensing and measurement device for use in connection with a blood container, for example, and flexible tubing leading thereto. A hollow balance bar, with mobile spherical weights disposed therein is provided and rapid, forceful cut ... | 06/20/1978 |
| 4022289 | Balance A balance beam having a short arm carrying a weighing pan and a long arm whose weight counteracts the torque exerted by the pan on the beam has a longitudinal edge extending over both arms and notched at uniform intervals. A rider weight is movable along ... | 05/10/1977 |
