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The ornamental design for an acoustic horn, substantially as shown and described. |
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FIG. 1 is a side elevational view of an acoustic horn, showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is an end elevational view thereof;
FIG. 4 is an elevational view of the opposite end thereof;
FIG. 5 is a bottom plan view thereof.
Parsons, James D., Schwab, James J.
| Patent | Priority | Assignee | Title |
| D317727, | Jul 20 1989 | BHA Group, Inc | Acoustic horn |
| Patent | Priority | Assignee | Title |
| 114960, | |||
| 215977, | |||
| 215978, | |||
| 226137, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 08 1985 | SCHWAB, JAMES J | PARSONS, JAMES D | ASSIGNMENT OF ASSIGNORS INTEREST | 004371 | /0975 | |
| Feb 19 1985 | James D., Parsons | (assignment on the face of the patent) | / | |||
| Feb 18 1997 | BHA Group, Inc | BHA GROUP HOLDINGS, INC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 008639 | /0666 |
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