Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9068339 | Roof standoff device | Richard F. Schaefer, David Kreutzman | 2015-06-30 |
| 8869490 | Interlocking shape for use in construction members | Richard F. Schaefer, David Kreutzman | 2014-10-28 |
| 8833032 | Roof mount sealing assembly | Richard F. Schaefer, David Kreutzman | 2014-09-16 |
| 8833033 | Roof mount sealing assembly | Richard F. Schaefer, David Kreutzman | 2014-09-16 |
| 8707655 | Roof mount sealing assembly | Richard F. Schaefer, David Kreutzman | 2014-04-29 |
| 8707654 | Roof mount sealing assembly | Richard F. Schaefer, David Kreutzman | 2014-04-29 |
| 8689517 | Roof mount sealing assembly | Richard F. Schaefer, David Kreutzman | 2014-04-08 |
| 8661765 | Interlocking shape for use in construction members | Richard F. Schaefer, David Kreutzman | 2014-03-04 |
| 8479455 | Flashing assembly | Richard F. Schaefer, David Kreutzman | 2013-07-09 |
| 8448405 | Roof mount sealing assembly | Richard F. Schaefer, David Kreutzman | 2013-05-28 |
| D639143 | Dual faced interlocking support member | Richard F. Schaefer, David Kreutzman | 2011-06-07 |
| D639144 | Four faced interlocking support member | Richard F. Schaefer, David Kreutzman | 2011-06-07 |
| D636656 | Single jaw interlocking support post | Richard F. Schaefer, David Kreutzman | 2011-04-26 |
| D617174 | Interlocking support post | Richard F. Schaefer, David Kreutzman | 2010-06-08 |