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| Patents for Richard M. Biessener | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,797,406 | Mar. 19, 1974 | R.M. Biessener | Tow line truck and brake system | dollies, carts and hand trucks | |
| 3,824,930 | Jul. 23, 1974 | R.M. Biessener | Tow line truck and brake system | dollies, carts and hand trucks | |
| 3,830,164 | Aug. 20, 1974 | R.M. Biessener | Tow truck | dollies, carts and hand trucks | |
| 3,902,576 | Sep. 02, 1975 | R.M. Biessener, R.W. Pitan | Add-on unidirectional brake | dollies, carts and hand trucks | |