Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7401559 | Single level enclosed railcar and method of manufacturing A method of manufacturing a railcar having an enclosing superstructure which is capable of accommodating large vehicles such as semi-trucks is disclosed. The method includes the preparation of a previously used railcar or a railcar originally manufactured for anothe... | 07/22/2008 |
| 5181474 | Wood chip railway car constructed by converting a standard box car and method of conversion A gondola rail car for hauling wood chips and the like having a pair of side walls, an end wall, a floor, an open end and an open top. A door assembly is pivotally mounted for swinging movement adjacent the open end. A ledge is provided to enhance access ... | 01/26/1993 |
| 4585264 | Folding rack for trucks A rack for a truck bed which includes separate front and side assemblies, each assembly utilizing a lower frame having dowels for selective insertion into openings into truck bed edges or permanent sidewalls. A first rack member is pivotally attached to e... | 04/29/1986 |
| 4460214 | Vehicle side extension A side extension for increasing the volumetric capacity of a vehicle body includes an elongate wall, a first flange extending longitudinally of the wall and bent inwardly of the body from the wall along a bottom edge of the wall and at a sloped incline to... | 07/17/1984 |
| 4359001 | Side stake connector for rail cars Disclosed is a mounting connection for connecting side stakes of open top type rail cars such as gondolas and hoppers to the underframe of the rail car. The side stakes, which reinforce and support the side walls of the open top rail cars, are mounted to ... | 11/16/1982 |
| 4186665 | Locomotive engine housing arrangement A diesel-engined rail shunting locomotive is provided which combines a very high level of noise insulation with excellent accessibility to the engine and associated apparatus. The locomotive is adapted for remote control by radio, and also has at least on... | 02/05/1980 |